meanwhile, russian president vladimir putin says he may change the vote if he sees concrete proof that assad's regime was responsible for the attack. he announced he would go to congress before taking action in syria. the dow jumping more than 96 points today. the nasdaq gaining 36. and the s&p 500 closed 1 points higher on the day. >>> we are tracking the latest developments out of ohio where late last night the body of ariel castro was found hanging in his jail cell. castro was just beginning to serve a life sentence with no chance of parol for kidnapping and raping three women and holding them for a decade. jay gray has the latest from cleveland. >> the man who held three young women hostage for a decade, chained and tortured inside his home. >> i'm just sick. >> lasted only 34 days in solitary confinement. guards say ariel castro hanged himself late last night inside his ohio prison cell. in a written statement, the prosecutor who put castro behind bars called him a coward, saying, quote, this man couldn't take for even a month a small portion of what he had dished out for more tha